GOVERNMENT OF PUDUCHERRY RAJNIWAS SECRETARIAT Refreshing historic memory on Water Resources in Puducherry Water – Every drop is precious by Dr. S. Bascarane, Dr. S. Bascarane, Ph.D (HRM), PGDCPIC, PGDCA Ph.D (HRM), PGDCPIC, PGDCA Grievance Redressal Officer Grievance Redressal Officer to to Lt Governor Lt Governor Inspector of Inspector of Police Police – cum cum - Web Officer Web Officer Puducherry Police Puducherry Police
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GOVERNMENT OF PUDUCHERRY
RAJNIWAS SECRETARIAT
Refreshing historic memory on
Water Resources in Puducherry
Water – Every drop is precious
by
Dr. S. Bascarane, Dr. S. Bascarane, Ph.D (HRM), PGDCPIC, PGDCA Ph.D (HRM), PGDCPIC, PGDCA
Grievance Redressal Officer Grievance Redressal Officer to to Lt GovernorLt Governor Inspector of Inspector of Police Police –– cum cum -- Web OfficerWeb Officer
Puducherry PolicePuducherry Police
SOURCE OF WATER FOR PUDUCHERRY
RAIN & RIVER 1. River is a stream of water 2. River Bed - River flowing Surface 3. River Banking - Sides of River Bed 4. River Head – Point of water accumulation on surface (Rain / Snow
fall) 5. Young River - Near the River Head 6. Mature River - Middle part of a river 7. Mouth of the river - Last part of the river entering bigger body of
water (Sea / Lake / River etc). 8. Tail of the river - Last part of the river, if dries on the surface 9. Bed Dam – Reservoir 10.Bridging river Bed Dam to natural low lying area will create /
recharge Reservoirs / Lagoons 11.Lagoon is the low lying land surface area near sea where water gets
collected naturally & artificially called as “Water Tank or Dam”
WATER CYCLING – Eco-system Earthing - Soil Connectivity – Balancing Ground Water
Fountain eye or Aquifers or Rain water harvest
PUDUCHERRY REGION WATER RESOURCES
Natural renewable water resources are the total amount of a water resources (internal and external resources), both surface water and groundwater, which is generated through the hydrological cycle. External: 1. Sankarabarani River @ Gingee River @ Ganga
Source: Mel-Malayanur hills -“GINGEE LAKE” Veedur Dam. Flows along Middle regions of Puducherry
2. Thene Pennai Piver or South Pennar River or PONNAIYAR Source: Nandi Hills, Karnataka Flows along Southern boarder of Puducherry
Internal: 1. Oustery Lake 2. Velrampet Lake 3. Murungapakkam Lake 4. Kanagan lake 5. Bahour Lake
SANKARAPARANI RIVER 1. The Sankaraparani River originates on the western slope of Gingee Hill
in Viluppuram district, Tamil nadu. 2. It has two sources,
A. Flows from Pakkammalai Reserve Forest Hills but No source exists now &
B. Flows from Mel-Malayanur hills in to “GINGEE LAKE”.
• Surplus from Gingee Lake, flows to Veedur Dam • Surplus from Veedur Dam, flows in to Puducherry as SANKARAPARANI
also known as Varahanadi or Gingee river or Ganga. • It gets more power at Thirukanchi, Villianour where its spiritual power is
compared with Kasi • Total length of 30.80 Kms including 8 Kms of Tamilnadu area within
River sankaraparani, flows to the “east”. 1. 1st Annamangalam surplus joins near Melacheri. Then the river turns
“south” in eastern part of Singavaram village and then flows East again. 2. 2nd “Nariyar Odai” joins sankaraparani near Uranithangal village.
Near Vallam village, the river turns southeast to flow toward of Rettanai, Nedimozhiyanur, towards Veedur dam.
3. 3rd “Thondiar” joins near Veedur. The Veedur Dam surplus titled “Sankaraparani” flows south-east. 1. “Pambaiyar” tributary joins near Radhapuram. Then sankaraparani
enters Puducherry Union Territory at Manalipet. 2. “Pambai” tributary joins sankaraparani near sellipet. 3. The last tributary, “Guduvaiyar river”, joins near boat house. at this
point, sankaraparani is also called chunnambar. From here it flows for 2 kilometres (1.2 mi) before draining into Bay of Bengal at paradise beach.
The total length of the river is 78.5 kilometres (48.8 mi). of the total length, 34 kilometres (21 mi) flows in Puducherry.
NUMBER OF IRRIGATION TANKS (as per Land & Survey Records 1971)
“PUDUCHERRY WATER RESOURCE ORGANIZATION” Society of GOP functioning under CENTRAL FUND
AVERAGE GROUND WATER LEVEL of Puducherry is measured through OBSERVATION TUBE WELLS mounted at the selected places in
• Puducherry – 31 and • Karaikal – 6
North East – 76 Mts below North West – 84 Mts below South East – 22 Mts – below Sea Shore Area South West – 32 Mts below It is being periodically and automatically measured through “Observation Tube Well” mounted at various points in this behalf.
URL – https://www.pdywaterinfo.in Automatic Weather Station at kalapet
GOOD SOIL depends on its water bearing capacity with permeable and porous nature.
1. Aquifers are underground water-bearing rock / layer 2. Liquids and gases can pass through as they are permeable, such as
sandstone / Sand / Gravel / Silt. 3. Groundwater can be extracted using a water well. 4. The study on aquifers and its characterization is Hydrogeology.
A. Kanagan Lake – Clay Soil B. Velrampet Lake – Semi – Sand and Clay C. Usutery Lake – Lime-stone and semi-permissible D. Bahour Lake - Clay
TYPES OF SOIL AQUIFERS A. Permissibility – Permits retention and flow of water / gas B. Semi-permissibility – Clay and gravel C. Non-permissibility – Clay soil and Line stone soil
EXTRACTION OF WATER through CONNECTIVITY: 1. Tube well 2. Bore-well 3. AQUIFER @ FOUNTAIN EYE
Example: 1. All liquids keeps on
balancing its pressure. 2. Water recharge / intake is
only from high point. 3. Lowest point will have more
pressure based on its highest point.
4. Puncturing or inserting aquifer or tapping at low point, ejects the water out to balance the pressure
5. Gorimedu is high while Rajniwas is low
PUDUCHERRY WATER SOURCE BY NATURE In and around the city are Artesian Wells supply water for irrigation. Crops - Rice, Sugarcane, Cotton and peanuts (groundnuts). The Puducherry area has about 300 villages and hamlets. ARTESIAN WELL: 1. Well from which water flows under natural
pressure without pumping. 2. It is dug or drilled wherever a gently dipping,
permeable rock layer (such as sandstone) receives water along its outcrop at a level higher than the level of the surface of the ground at the well site.
ARTESIAN AQUIFER 1. An artesian aquifer is a confined aquifer
containing groundwater under positive pressure. 2. This causes the water level in a well to rise to a
point where hydrostatic equilibrium has been reached. A well drilled into such an aquifer is called an artesian well. If water reaches the ground surface under the natural pressure of the aquifer, the well is called a flowing artesian well.
HIGH LIGHTS
USUTARY PROJECT of FRENCH
1. The Usutary project developed in 1873 is an history connecting Puducherry for Water Recharge
6. Structured Gate Ways – Flood and water level Control
7. Entry and Exit of fresh water cycle to Ponds (Ex Villianour, Sulthanpet
etc)
8. House hold Artesian Well – Motivation & sensitivity to Citizen on ground water
9. Artesian Well - indirect Rain Water Harvesting
10.Responsibility on maintenance
REQUEST
Responsibilities
1. After “USUTARY PROJECT of FRENCH”, we have not established any new nor maintaining the structure of the established projects
NOT CLEAR 1. Responsibility of PWD and Communes 2. Responsibilities of the Citizens 3. Administrative Responsibilities of Political Government & Government 4. Responsibilities of Political leaders, Village Heads, NGO 5. Violations ignored with fine as part of regularization 6. Encouragement for illegal encroachment and free patta to
encroachers. 7. Law & Sentiments not to be mixed both are North & South Poles 8. Sentiments and welfare principles to be encouraged 9. Law of limitations to be strictly followed maintaining order of the
land and governance.
Vulnerability in our Cultural values
made us to forget this great work of resourcing the water to Puducherry